diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 7a4af8b10e3d56b9bccbc79b176a15f8b482ef95..008c084cc4e016e45c3809a430b1063b9c9d0d2f 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -602,7 +602,9 @@ static int soc15_common_early_init(void *handle)
 			AMD_CG_SUPPORT_HDP_LS |
 			AMD_CG_SUPPORT_DRM_MGCG |
 			AMD_CG_SUPPORT_DRM_LS |
-			AMD_CG_SUPPORT_ROM_MGCG;
+			AMD_CG_SUPPORT_ROM_MGCG |
+			AMD_CG_SUPPORT_MC_MGCG |
+			AMD_CG_SUPPORT_MC_LS;
 		adev->pg_flags = 0;
 		adev->external_rev_id = 0x1;
 		break;